• Tiny Tods — Find the Right Fit

Tiny Tods — Find the Right Fit

Tiny Tods Size Guide

Find the Right Size — First Time

The right size diaper prevents leaks as much as the right technology does. A too-small diaper gaps at the legs. A too-large one sags. Here's how to get it right.

Size chart — all variants
Size
Weight
Age (approx)
Pack Count
Best For
NB
Up to 5 kg
0–1 month
80 Pants
Newborns, hospital use, early days at home
S
4–8 kg
1–3 months
78 Pants
Early crawlers, frequent feeders
M
7–12 kg
3–9 months
74 Pants
Active crawlers, sitting babies
L
10–14 kg
9–18 months
62 Pants
Standing, early walkers
XL
12 kg+
18 months+
56 Pants
Active toddlers, bigger babies
How to choose correctly
⚖️
Weight is more reliable than age Age ranges are approximate — babies grow at different rates. Always use your baby's current weight as the primary guide. Weigh monthly for the first year.
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Check the waistband fit A properly fitted diaper should allow two fingers between the waistband and baby's tummy. Too tight = marks on skin. Too loose = gaps that leak.
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Check the leg cuffs The leg cuffs should lie flat against the skin — not digging in (too small) and not gaping outward (too large). This is the most common leak point in wrong-sized diapers.
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When in between sizes, go larger If your baby is at the top of one weight range and the bottom of the next, choose the larger size. A slightly larger diaper holds more and is easier to seal than a tight one.
⚡ Time to size up? Watch for these signs
Red marks or indentations around thighs or waist after removing the diaper
Leaks from the legs even though the diaper isn't fully saturated
Diaper doesn't fully cover the bottom when pulled up
Baby seems uncomfortable or keeps pulling at the diaper
You're consistently reaching the top of the weight range for the current size

"We independently engineer each size — NB is not just a smaller version of Small. Each size is optimised for the specific weight range and movement patterns of that developmental stage."

Common questions
My baby's weight is in the overlap between two sizes. Which do I pick?

Go up. A larger size will accommodate growth and provide better leak protection. A tight diaper is more likely to leak and cause discomfort than one with a little extra room.

Why does XL have fewer pants than NB?

Larger sizes use more material per diaper. Pack count decreases as size increases — this is consistent across all diaper brands. Larger packs use more absorbent material so the cost-per-diaper stays similar across sizes.

Can I use a larger size for overnight even if my baby fits a smaller size?

Not recommended. The fit is more important than the capacity for overnight use. A diaper that doesn't seal properly at the legs will leak regardless of how much it can absorb. Use the correct size and trust the 12-hour capacity.